INDIVIDUAL MCP TOOL

get_starter_game

The fastest way to a playable multiplayer game: a complete, working single-file HTML game using the GameRelay SDK, with rooms and an invite link already wired up.

gamerelay.ionone authenticationAvailability not checked

LIVE ENDPOINT

https://gamerelay.io/mcp

No auth detected

Connect to this endpoint to inspect the live schema for get_starter_game and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

Parent server

gamerelay.io

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.gamerelay]
url = "https://gamerelay.io/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "gamerelay": {
      "type": "http",
      "url": "https://gamerelay.io/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: gamerelay
Remote MCP URL: https://gamerelay.io/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "gamerelay": {
      "url": "https://gamerelay.io/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "gamerelay": {
      "type": "http",
      "url": "https://gamerelay.io/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "gamerelay",
  "transport": "streamable-http",
  "url": "https://gamerelay.io/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

get_integration_guide — Everything needed to make a browser game multiplayer with GameRelay: pick your shape, three complete starters, entities (synced, smoothed objects), events, requests to the host, claims, inputs, state and timers, slots and teams, host changes, relay.tick, debugging, then rooms, lobbies, parties, chat, leaderboards, player saves, signed-in players (JWT tokens), moderation, webhooks and limits.
check_public_key — Check that a GameRelay public key (gr_pub_…) belongs to a live instance, and show which features it has on (saves and leaderboards, parties, chat), its default room size and what its plan includes.